grade 9 algerbra HELP!!!! PLZ!!!

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betty is now three times as old as mike, but in five years she will be only twice as old as mike. how old is mike right now?


i don't get what your suppose to do

  • grade 9 algerbra HELP!!!! PLZ!!! -

    NOW:
    MIke - x
    Betty - 3x

    In 5 Years:
    MIke - x+5
    Betty - 3x+5

    but it said: (3x+5) = 2(x+5)

    solve for x

  • grade 9 algerbra HELP!!!! PLZ!!! -

    x=3y
    and
    x+5=2y
    solve for y in 1st and carry to 2nd eq
    y=x/3

    x+5=2(x/3)
    solve for x
    check answer

  • grade 9 slopes eqaution HELP!!!! PLZ!!! -

    solve and comparison:

    a)4x-9y+4
    6x+15y=-13

    im so lost!!!!!

  • grade 9 algerbra HELP!!!! PLZ!!! -

    mary is 4 and mike is 12

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